21x-19=7x+31

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Solution for 21x-19=7x+31 equation: 



21x-19=7x+31

We move all terms to the left:

21x-19-(7x+31)=0

We get rid of parentheses

21x-7x-31-19=0

We add all the numbers together, and all the variables

14x-50=0

We move all terms containing x to the left, all other terms to the right

14x=50

x=50/14

x=3+4/7

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